Question: What was the significant event which happened to The Sleepers in the year 1860?
Paraphrase: In 1860, what was the significant event that happened to The Sleepers?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q326503 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1860')) }